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Earnings and Dividends per Share (Tables) | 6 Months Ended
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Jun. 30, 2018
Earnings Per Share [Abstract] |
Number of Shares Outstanding for Calculation of Earnings Per Share | The computational components of basic and diluted earnings per share for the three-month and six-month periods ended June 30, 2018 and 2017 are below.
|  | For the Three Months Ended June 30, 2018 |
|  | Numerator (Loss) |  |  | Denominator (Shares) |  |  | Per Share Amount |
Basic net loss and loss per share |  | $ | (901 | ) |  |  | 34,670 |  |  | $ | (0.03 | )
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
Common stock equivalents arising from stock options, restricted stock awards, and employee stock purchase plan |  |  |  |  |  |  | — |  |  |  |  |
Diluted loss and loss per share |  | $ | (901 | ) |  |  | 34,670 |  |  | $ | (0.03 | )
|  | For the Three Months Ended June 30, 2017 |
|  | Numerator (Income) |  |  | Denominator (Shares) |  |  | Per Share Amount |
Basic net income and earnings per share |  | $ | 5,486 |  |  |  | 34,474 |  |  | $ | 0.16 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
Common stock equivalents arising from stock options, restricted stock awards, and employee stock purchase plan |  |  |  |  |  |  | 333 |  |  |  |  |
Diluted earnings and earnings per share |  | $ | 5,486 |  |  |  | 34,807 |  |  | $ | 0.16 |
|  | For the Six Months Ended June 30, 2018 |
|  | Numerator (Income) |  |  | Denominator (Shares) |  |  | Per Share Amount |
Basic net income and earnings per share |  | $ | 4,862 |  |  |  | 34,632 |  |  | $ | 0.14 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
Common stock equivalents arising from stock options, restricted stock awards, and employee stock purchase plan |  |  |  |  |  |  | 83 |  |  |  |  |
Diluted earnings and earnings per share |  | $ | 4,862 |  |  |  | 34,715 |  |  | $ | 0.14 |
|  | For the Six Months Ended June 30, 2017 |
|  | Numerator (Income) |  |  | Denominator (Shares) |  |  | Per Share Amount |
Basic net loss and loss per share |  | $ | 5,524 |  |  |  | 34,345 |  |  | $ | 0.16 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
Common stock equivalents arising from stock options, restricted stock awards, and employee stock purchase plan |  |  |  |  |  |  | 341 |  |  |  |  |
Diluted loss and loss per share |  | $ | 5,524 |  |  |  | 34,686 |  |  | $ | 0.16 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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